package day05;

public class TestUser {
    public static void main(String[] args) {
        User user1 = new User();
        System.out.println(user1);
        User user2 = new User();
        System.out.println(user2);
        user1.id = 1;
        user1.username = "guanguan";
        user2.id = 2;
        user2.username = "xiaoxuan";
        System.out.println(user1.username);
        System.out.println(user2.id);
    }
}